foo.cc: In function 'void bfs()':
foo.cc:31:17: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   31 |                 if (vis[x][y]) continue; vis[x][y] = true;
      |                 ^~
foo.cc:31:42: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   31 |                 if (vis[x][y]) continue; vis[x][y] = true;
      |                                          ^~~

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